MC74HCT240A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
6
OUTLINE DIMENSIONS
DT SUFFIX
PLASTIC TSSOP PACKAGE
CASE 948E–02
ISSUE A
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MIN
6.40
MAX
6.60
4.50
1.20
0.15
0.75
MIN
0.252
MAX
0.260
0.177
0.047
0.006
0.030
INCHES
MILLIMETERS
4.30
–––
0.169
–––
0.05
0.50
0.65 BSC
0.27
0.09
0.09
0.19
0.19
6.40 BSC
0
0.002
0.020
0.026 BSC
0.011
0.004
0.004
0.007
0.007
0.252 BSC
0
0.37
0.20
0.16
0.30
0.25
0.015
0.008
0.006
0.012
0.010
8
8
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS. MOLD FLASH
OR GATE BURRS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED 0.25 (0.010)
PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
EXCESS OF THE K DIMENSION AT MAXIMUM
MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE –W–.
íííí
íííí
íííí
1
10
11
20
PIN 1
A
B
–T–
0.100 (0.004)
C
D
G
H
SECTION N–N
K
K1
J J1
N
N
M
F
–W–
SEATING
PLANE
–V–
–U–
S
U
M
0.10 (0.004)
V
S
T
20X REF
L
L/2
2X
S
U
0.15 (0.006) T
DETAIL E
0.25 (0.010)
DETAIL E
S
U
0.15 (0.006) T
SD SUFFIX
PLASTIC SSOP PACKAGE
CASE 940C–03
ISSUE B
20
11
10
1
H
A
B
F
M
0.12 (0.005)
20X REF
S
U
M
V
S
T
L
L/2
PIN 1
S
U
M
0.20 (0.008)
T
–V–
–U–
D
C
0.076 (0.003)
G
–T–
SEATING
PLANE
DETAIL E
N
N
0.25 (0.010)
K1
ééé
ééé
K
J
J1
SECTION N–N
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MIN
7.07
5.20
1.73
0.05
0.63
0.65 BSC
0.59
0.09
0.09
0.25
0.25
7.65
0
MAX
7.33
5.38
1.99
0.21
0.95
MIN
0.278
0.205
0.068
0.002
0.024
0.026 BSC
0.023
0.003
0.003
0.010
0.010
0.301
0
MAX
0.288
0.212
0.078
0.008
0.037
INCHES
MILLIMETERS
0.75
0.20
0.16
0.38
0.33
7.90
8
0.030
0.008
0.006
0.015
0.013
0.311
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS. MOLD FLASH OR
GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER
SIDE.
4. DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED 0.15 (0.006) PER
SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION/INTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN
EXCESS OF K DIMENSION AT MAXIMUM MATERIAL
CONDITION. DAMBAR INTRUSION SHALL NOT
REDUCE DIMENSION K BY MORE THAN 0.07 (0.002)
AT LEAST MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE
ONLY.
7. DIMENSION A AND B ARE TO BE DETERMINED AT
DATUM PLANE –W–.
8
DETAIL E
–W–